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Now Playing: 02-15-2012 Marketplace Tech Report

The Massachusetts Institute of Technology is offering a free online class and everyone's invited and admitted. The class, Circuits and Electronics, is a full-strength MIT course and the first in what is intended to be an ongoing educational effort called MITx. At the end of the program, successful students will get a certificate. Not an engineering degree, mind you, but still something. What does this mean for education? Also, a deeply weird and highly entertaining video game on YouTube.